(O) light still on... 1999 A6Q, AHA 2.8L, changed front(w/ sensors) & rear rotors & pads. (O) still on...my question is "does connect onto a relay under/behind the driver knee bolster?" if so, which one? I've seen super fixes on here before & would like to restore without jumping wires, etc. in other words, who has tracked this back & found the culprit?

 

It may be as simple as a bad brake pad the first thing I would do is check the connection in the brake pad with a multimeter.

 

Bump:... i eliminated the pad by doing a test & closing the circuit on the car side connector by inserting a u-shaped wire stripped on each end into the connector. it's got to be something upstream. im sure there is a member that recently fault this battle i just hope he or she is listening.

 

check the ground wires ---